+1 888 608-7511
Need help finding a standard?
Help Desk
ANSI/IEEE Standard - Switchgear Assemblies - Including Metal Enclosed Bus
New IEEE Standard - Inactive-Withdrawn.
ANSI/IEEE C37.20-1969 (Reaffirmed 1981), includes C37.20a-1970, C37.20b-1972, C37.20c-1974 and C37.20d-1978.
This standard covers assemblies of switchgear devices such as switches, interrupting devices, control, instrumentation and metering, protective and regulating equipment, enclosed bus with associated interconnections, enclosures, and supporting structures.
It includes, but is not specifically limited to, equipment for the control and protection of apparatus used for power generation, conversion, transmission and distribution, such as:
Basically, this standard is concerned with enclosed, rather than open, switchgear assemblies.
It does not apply to equipment covered industrial control standards, communication switchboards and communication switching equipment, or switchboards for use on board ships.
Failed to load document history.
| Publish Date | Document Id | Type | View |
|---|